Archives of Biological Sciences 2005 Volume 57, Issue 3, Pages: 189-192
doi:10.2298/ABS0503189S
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Comparison of desiccation tolerance among mosses from different habitats

Šinžar-Sekulić Jasmina B., Sabovljević Marko S., Stevanović Branka M.

Three moss species from the karst region were compared to establish their respective patterns of desiccation tolerance. Different life forms of bryophytes were chosen to obtain evidence of their life strategies during drought conditions. Comparative analyses of electrolyte leakage were performed to screen for tolerance of the membrane to water stress and for signs of damage to the fine structure of the protoplasm. The experiments were carried out by exposing the plants to water stress caused by PEG 600. The results show that the most desiccation tolerant species is Thamnobryum alopecurum, less but fairly tolerant is Anomodon viticulosus, while the aquatic Rhynchostegium riparioides is intolerant of desiccation.

Keywords: desiccation tolerance, mosses, Thamnobryum alopecurum, Anomodon viticulosus, Rhynchostegium riparioides

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